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Analýza reprodukčních vlastností plemene valaška
VRŠECKÁ, Lucie
The aim of this diploma thesis is to evaluate the level of reproductive performance of Wallachian sheep. There were used data from the original kennel evidence and from the performance cracking. It is focused on fertilization, reproduction intensity, fertility and rearing lambs. Fertilization of Wallachian sheep was in between 89,5 99,4 percent. Reproduction was in between 141,4 158,1 percent. Level of rearing was in between 108,1 139,6 percent. There were born 972 lambs in years 2012 2016. The most lambs were born in the year 2016, it was 265 lambs. It is because there were the most ewes in the herd in the reporting period. There were born one lambs, twins and triplets. The most frequent were twins at a ratio of 49,9 percent. The less frequent were triplets at a ratio of 4,7 percent. Number of lambs does not depend on the age of ewes. The number of lambs in a the litter did not differ by lines.
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Data in the CITES trade database and their interpretation
VRŠECKÁ, Lucie
An international trade in endangered species of plants and animals is regulated by CITES (the Convention on International Trade in Endangered Species of Wild Fauna and Flora). Information on trades are available in CITES Trade Database. However, there are a lot of mistakes and discrepancies in this database that lead to inaccurate interpretation of data. The aim of this thesis was to: (1) identify mistakes in the database, record types and their possible ways of interpretation and (2) quantify the volumes of trade based on different ways of data interpretations in selected species of the family Ursidae. There were found 19 different combinations of missing data, except by unlisted unit and traded quantity specified only by one state of the trade and 5 types of record interpretation. Data were compared with the CITES annual records reported by the Ministry of the Environment of the Czech Republic. This thesis contains also recommendations for evaluation of international trade.
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Evaluation of breeding of bears (family Ursidae) in the C. R.
VRŠECKÁ, Lucie
This study evaluated the breeding of family Ursidae especially in the zoos in the Czech Republic since 1984. The Yearbooks of the Union of Czech and Slovak Zoological Gardens have been published annually since the same year. Species Information System (ISIS) originated from February 2014 was used to compare the current number of bears in the Czech zoos and in other world zoos. Nowadays five species of bears, i.e. brown bear (Ursus arctos), polar bear (Ursus maritimus), sun bear (Helarctos malayanus), Asian black bear (Ursus thibetanus) and American black bear (Ursus americanus) are bred in the Czech Republic. In the past sloth bear (Melursus ursinus) was also bred. Bears are kept especially in the zoos (13), in seven moats, by two private owners and in circuses in the Czech Republic. The number of bears in private ownership and circuses is unknown. One hundred and thirty four bear cubs (i.e. 63 , 40 and 31 unknown sex) were born in the Czech Republic from 1984 to 2013. Its total survival was 53% (i.e. 71 cubs). The survival of male (67 %) and female (63 %) was comparable, while only 13 % of cubs with undetermined sex survived. The most cubs born were cubs of brown bear (69).
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